Tag: iit jam biotechnology previous year paper PYQ

Q.30 The difference between mitosis and meiosis I is(A) Sister chromatids separate in mitosis, whereas homologous chromosomes separate in meiosis I(B) The nuclear membrane is absent during mitotic metaphase, but […]

Q.29 In mammals, females have two X chromosomes and males have one X chromosome. Equalexpression of X–chromosome genes in both sexes is ensured by(A) Dosage compensation (B) Histone code(C) RNA […]

Q.28 Match the cell junctions listed in Group A with their correct functions listed in Group B:Group A                          […]

Q.27 The lack of linear correlation between the genome sizes and genetic complexities among variousspecies is known as(A) C–value paradox (B) Genetic diversity (C) G–value paradox (D) Central dogma The […]

Q.26 In plants, the ovules are attached to the ovary by(A) Placenta (B) Synergids (C) Embryo sac (D) Tube cells In plants, ovules develop within the ovary and attach directly […]

Q.25The value of the integral ∫ (𝑥 − 𝑓(𝑥))40 𝑑𝑥, where 𝑓(𝑥) ={0, 0 ≤ 𝑥

Q.24 If 𝑥+1/x=1, then the value of x^6+1/x^6 is (A) −2 (B) −1 (C) 1 (D) 2 Solve the CSIR NET algebra question where x + 1/x = 1 and […]

Q.23 A stationary enemy ship is docked in the sea at a distance of 1.0 km from the coastline. A gunlocated at the sea level on the coastline can fire […]

Q.22 Which one of the following represents the motion of an object with a positive acceleration? The motion with positive acceleration is represented by option (C), the velocity–time graph with a straight […]

Q.21 Which one of the following microscopic techniques provides a 3–dimensional perspective of live,unstained and transparent specimens obtained from the wild?(A) Confocal microscopy (B) Fluorescence microscopy(C) Phase contrast microscopy (D) […]